CHROMIUM-MOLYBDENUM CAST IRON

The 15/3 alloy is a martensitic white cast iron that has an excellent combination of abrasion resistance and toughness. It also has excellent spalling resistance due to the reduced continuity of the carbide phase which is attributable to the combined effect of the chromium and the molybdenum content.

COMPOSITION AND HARDNESS

Composition, per cent

Brinell Hardness

C

Si

Mn

Ni

Cr

S

P

Cu

Mo

Spec.

Typical

15/3

2.4

1.0

0.5

1.0*

14.0

0.06

0.06

1.2*

1.5

600

700

(AS2027 Gr Cr Mo 15 3)

3.4

Max.

1.5

max.

17.0

max.

max.

max.

3.5

Min.

                * Not intentional additions.

TYPICAL APPLICATIONS

  • Shot Blast replacement parts
  • Slurry Pump parts
Open Faced Impeller

Shot Blast Parts

Impeller